F01 vs R40
F01 (Vascular dementia) compared with R40 (Somnolence, stupor and coma), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. R40 carries an Excludes2 note covering F01: “symptoms and signs constituting part of a pattern of mental disorder (F01-F99)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| F01Vascular dementia | R40Somnolence, stupor and coma | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Vascular dementia is a non-billable ICD-10-CM category code (F01). | Somnolence, stupor and coma is a non-billable ICD-10-CM category code (R40). |
| Includes | arteriosclerotic dementia major neurocognitive disorder due to vascular disease multi-infarct dementia Vascular dementia as a result of infarction of the brain due to vascular disease, including hypertensive cerebrovascular disease. | — |
| Code first | , if applicable, any causal condition | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources